18-letter words starting with os
- oscillating engine — a steam engine having piston rods connected directly to the crankshaft and cylinders oscillating on trunnions.
- oscillographically — By means of oscillography.
- osteitis deformans — Paget's disease.
- osteogenic sarcoma — osteosarcoma
- osteoradionecrosis — bone tissue death induced by radiation.
On this page, we collect all 18-letter words starting with OS. It’s easy to find right word with a certain length. It is the easiest way to find 18-letter word that beginning with OS to use in Scrabble or Crossword puzzles.